OFFSET
3,1
FORMULA
a(n) = ceiling(sqrt(7*10^(n-1)))^2, n>2. - Rick L. Shepherd, Feb 18 2002
PROG
(PARI) for(n=3, 22, a=ceil(sqrt(7*10^(n-1)))^2; print(a))
CROSSREFS
KEYWORD
base,easy,nonn
AUTHOR
Amarnath Murthy, Feb 09 2002
EXTENSIONS
More terms from Rick L. Shepherd, Feb 18 2002
STATUS
approved